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- W2393189367 abstract "A robust watermarking algorithm based on content-adaptive approach was proposed to optimize the tradeoff between robustness and imperceptibility,which was characterized as follows: the entropy masking proposed by Watson etc.was constructed in wavelet domain,which was then used to constitute the integrated HVS model;three different measures,namely,energy,entropy and integrated HVS,for content-adaptive selection were constructed and investigated;repeat-accumulate(RA) code with erasure and error correction was used to tackle the synchronization issue of the exact positions for watermark embedding;and a posteriori DWT-HMM detector was utilized for watermark detection.Simula-tion results show that the proposed content-adaptive watermarking algorithm,under the same imperceptibility,has con-siderable improvement in robustness performance over the traditional one with stochastic approach." @default.
- W2393189367 created "2016-06-24" @default.
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- W2393189367 date "2007-01-01" @default.
- W2393189367 modified "2023-09-22" @default.
- W2393189367 title "Robust DWT-HMM image watermarking algorithm optimized with content-adaptive approach" @default.
- W2393189367 hasPublicationYear "2007" @default.
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